3/27/2023 0 Comments Projector sidplay![]() ![]() This helps significantly when you’re incorporating a projection module into a small product or a system with limited real estate for a display. The resulting 0.16-inch nHD DMD optical module was 80% smaller than the smallest 0.2-inch DLP2000-based optical module, and 50% smaller than the 0.2-inch DLP2010-based optical module (Figure 3). Multiple LED options are available today that are well matched with the DLP160CP DMD. A closely matched etendue translates to optimized brightness and power efficiency, and a more compact module. ![]() Our product marketing and optics teams also worked closely with LED suppliers (OSRAM and Luminus) to use LEDs with a best matched etendue (the geometric property of light that quantifies the throughput capability of the optical system) to the DLP160CP. Designing the 0.16-inch DLP160CP DMD to be side-illuminated enables an inline optical architecture that reduces size significantly – drastically reducing the height and width of the projection module – compared to the corner-illuminated 0.2-inch DLP2000 DMD, which requires a U-shaped optical design. The direction at which light enters the DMD can have a significant effect on the total system volume. ![]() Optics design and architecture philosophy Higher brightness and efficiency than the DLP2000.Our product marketing team asked our optics team to design the smallest possible optical module using these parameters: See Figure 1.Īchieving an even greater size reduction required an evaluation of how the DMD design affects the optical module architecture. In effect, this reduces the mirror array area by 49% which significantly reduces the optical module size – the core subsystem of a DLP Pico display system. The new DMD incorporates the newer 5.4-µm tilt-and-roll pixel (TRP) technology, reducing the diagonal of the mirror array 20%, to 0.16 inches. The previous-generation version of this DMD, the 0.2-inch (nHD) DLP2000, has an array of 640 × 360 micromirrors, each with a 7.6-µm pitch. Let’s look first at the DMD itself and then the impact it has on the size of the projection module. What is the smallest DLP® projection solution? How does the DLP digital micromirror device (DMD) design impact the projection module size? Can a tiny projector still produce a bright, clear and crisp image? In this article, I’ll answer those questions and dive into TI’s thought process for designing the 0.16-inch DLP160CP DMD. Or maybe you’re designing a smartphone accessory that can beam fitness and sleep stats onto your nightstand. You’re integrating an on-demand projection display into a next-generation appliance, autonomous robot or augmented reality (AR) glasses. Other Parts Discussed in Post: DLP2000, DLP160CP ![]()
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